v. re·tal·i·at·ed, re·tal·i·at·ing, re·tal·i·ates
To do something in response to an action done to oneself or an associate, especially to attack or injure someone as a response to a hurtful action.
To pay back (an injury) in kind.
[Late Latin retāliāre, retāliāt- : Latin re-, re- + Latin tāliō, punishment in kind; see telə- in the Appendix of Indo-European roots.]
re·tali·a′tive, re·tali·a·to′ry (-ə-tôr′ē) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.